This paper study the model on line monitoring fouling in tubular heat exchangers.

进行了管式换热器积灰的在线监测模型研究。

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This Paper study the intersection and union operations, with it establishes the algebraic structure of equivalence relations.

本文主要研究了等价关系的交并运算，建立了等价关系对于交并运算的代数结构。

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This paper study on naval ship structure direct design methods by reference the commercial direct calculation methods and naval ship structure design rules.

本文参考民船结构直接计算的方法，结合舰艇结构设计规范，研究舰船结构直接计算方法和解决方案。

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Susan Brink is a health reporter for The Los Angeles Times and she wrote about this new study for the paper, and welcome to the show.

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This study echoes a paper released in November by the U.S. Government Accountability Office, which found that customers end up paying higher prices for goods and services because the fees that a seller pays to Visa and MasterCard are built into the retail price.

FORBES: How Credit Cards Hurt the Economy

Leszczynski argued that the limitations of this study amounted to failure of the peer review system and called for the retraction of the paper and an investigation into why it was published in the first place.

FORBES: Cell Phone Conspiracy Theorists Prefer To Indulge In Ad Hominem Attacks Rather Than Debate The Science